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When the outliers are removed, how does the mean change?
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The mean decreases by 2.75. The mean increases by 2.75. The mean increases by 3.25. There are no outliers.
the out lier here is 18 right?
so lets take that out.
now we have 38 + 38 + 40 + 44 + 44 + 44 + 46 + 48
that equals 342...now divide it by how many numbers there were...
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your new men is 342/8 = 42.75.
now just add 18 to the 342 and add 1 do that 8 to make it: 360/9 = 40.
this now means that mean increases by 2.75
Hope i helped!
haha you did more than help man thank you
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